Skip to navigation
FC-AC — Single-Wall Appliance Connector

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design. The System Design and Installation Guide is an additional resource.

Amerivent FAQs

FC-AC — Single-Wall Appliance Connector


The single-wall appliance connector is sized to fit outlet. Use sheet metal screws for code-approved appliance connection.

Available sizes (inches)

3FC-AC3"3 1/2"3"
4FC-AC4"4 1/2"4"
5FC-AC5"5 1/2"5"